bug#15803: default-file-name-coding-system: utf-8 better than latin-1 these days?

[Eli Zaretskii]

> From: Lars Ingebrigtsen <larsi@gnus.org>
> Cc: rgm@gnu.org,  15803@debbugs.gnu.org
> Date: Fri, 11 Sep 2020 14:33:08 +0200
> 
> The file name is on the "f\\363o/test" form until make-temp-name

That shouldn't happen.  It probably means we lack a DECODE_FILE
somewhere.  File names inside Emacs should always be decoded into
UTF-8.

> and
> then it turns into a different string with a text property.  But I don't
> know how much this is an artefact of how Emacs prints these things and
> how much it's actually, er...  actual.

The only way to know is to add printf's or look in GDB.